Carbon and Platinum Workshops with Peter Moseley

THE CARBON TRANSFER PROCESS

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Description

Carbon printing can produce beautiful and fully archival prints using any coloured pigment. It has its roots in the second half of the nineteenth century, although for fidelity and fineness of resolution, the process is rarely surpassed by modern techniques.

The process relies on a very important characteristic of gelatine – when sensitised by certain chrome or iron salts, it becomes insoluble when exposed to ultra-violet light. In consequence, if weak gelatine solutions are mixed with pigments (hence the term ‘carbon’ prints) applied as a coating to paper and then sensitised with potassium dichromate, dried, exposed under a suitable negative and the paper is then soaked in warm water, the coloured gelatine receiving less exposure – for example in the highlight and mid-tone areas – will fully or partially wash away to leave a full photographic image.

Tutor Information

Peter has been a practicing photographer for over forty years, with a particular interest in portraiture. For the last ten years he has been working with a range of ‘alternative processes’ – including carbon transfer, platinum, gravure, salt and albumen, cyanotype and gum printing. He completed an MA in Printmaking at Brighton University in 2008 and is now through a PhD research project investigating aspects of the nineteenth century photographic printing processes.

Materials

All the materials will be supplied

Coming Dates

To be announced

Details for booking:

Course Cost: £250

To book this workshop, or to express an interest,  please email: workshops@dndr.org.uk

 

 

PLATINUM  PRINTING WORKSHOP

Description

Platinum printing is the aristocracy of the early photographic processes. The image is composed of very finely divided platinum and palladium metals that are more stable and longer lasting than silver based prints. As with the other alternative printing processes, paper is coated with special solutions and, when dry, is exposed under a negative to the sun or sun lamp (the ultra-violet rays are the key here) before being developed in another chemical mix.

This Workshop offers demonstrations and a hands-on opportunity to explore this classic printing technique. No prior experience is necessary

Materials

All the materials will be supplied

Details for booking:

Course Cost: £250

To express an interest,  please email: workshops@dndr.org.uk

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